2104421069 has 2 divisors, whose sum is σ = 2104421070. Its totient is φ = 2104421068.

The previous prime is 2104421017. The next prime is 2104421089. The reversal of 2104421069 is 9601244012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170324100 + 934096969 = 34210^2 + 30563^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104421069 - 2¹² = 2104416973 is a prime.

It is a super-2 number, since 2×2104421069² = 8857176071302205522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104421089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052210534 + 1052210535.

It is an arithmetic number, because the mean of its divisors is an integer number (1052210535).

Almost surely, 2^2104421069 is an apocalyptic number.

It is an amenable number.

2104421069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104421069 is an equidigital number, since it uses as much as digits as its factorization.

2104421069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2104421069 is about 45873.9694053174. The cubic root of 2104421069 is about 1281.4771904591.

The spelling of 2104421069 in words is "two billion, one hundred four million, four hundred twenty-one thousand, sixty-nine".